Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 46, Problem 11RQ
A food chain would be a better
- How does energy move from an organism in one trophic level to an organism on the next trophic level?
- How does energy move within a trophic level?
- What preys on grasses?
- How is organic matter recycled in a forest?
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Chapter 46 Solutions
Biology 2e
Ch. 46 - Figure 46.8 Why do you think the value for gross...Ch. 46 - Figure 46.10 Pyramids depicting the number of...Ch. 46 - Figure 46.17 Which of the following statements...Ch. 46 - The ability of an ecosystem to return to its...Ch. 46 - A re-created ecosystem in a laboratory environment...Ch. 46 - Decomposers are associated with which class of...Ch. 46 - The primary producers in an ocean grazing food web...Ch. 46 - What term describes the use of mathematical...Ch. 46 - The position of an organism along a food chain is...Ch. 46 - The loss of an apex consumer would impact which...
Ch. 46 - A food chain would be a better resource than a...Ch. 46 - The weight of living organisms in an ecosystem at...Ch. 46 - Which term describes the process whereby toxic...Ch. 46 - Organisms that can make their own food using...Ch. 46 - In the English Channel ecosystem, the number of...Ch. 46 - What law of chemistry determines how much energy...Ch. 46 - The mussels that live at the NW Eifuku volcano are...Ch. 46 - The movement of mineral nutrients through...Ch. 46 - Carbon is present in the atmosphere as ________...Ch. 46 - The majority of water found on Earth is: ice water...Ch. 46 - The average time a molecule spends in its...Ch. 46 - The process whereby oxygen is depleted by the...Ch. 46 - The process whereby nitrogen is brought into...Ch. 46 - Which of the following approaches would be the...Ch. 46 - How would loss of fungi in a forest effect...Ch. 46 - Compare and contrast food chains and food webs....Ch. 46 - Describe freshwater, ocean, and terrestrial...Ch. 46 - Compare grazing and detrital food webs. Why would...Ch. 46 - How does the microcosm modeling approach differ...Ch. 46 - How do conceptual and analytical models of...Ch. 46 - Compare the three types of ecological pyramids and...Ch. 46 - How does the amount of food a warm-blooded animal...Ch. 46 - A study uses an inverted pyramid to demonstrate...Ch. 46 - Describe what a pyramid of numbers would like if...Ch. 46 - Describe nitrogen fixation and why it is important...Ch. 46 - What are the factors that cause dead zones?...Ch. 46 - Why are drinking water supplies still a major...Ch. 46 - Discuss how the human disruption of the carbon...
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- As a rule of thumb, about one-tenth of the energy or biomass consumed is stored at each trophic level. About how many kg of feed should it take to produce 1 kg of chicken meat that we eat? How much more energy should it take to provide you a meal of meat compared to vegetables?arrow_forwardDescribe how energy flows through a hypothetical food chain from the bottom to the top. What happens to the numbers of individuals in each level as you move up the chain? In order to turn your food chain into a food web, what might you change about the trophic habits of its members?arrow_forwardCan anyone do this I can't understandarrow_forward
- A black bear normally eats many different types of food. When the black bear eats berries, what trophic level is the bear?arrow_forwardHow much energy is passed from one trophic level to the next? Explain why.arrow_forwardWhich trophic level in an aquatic ecosystem would contain the greatest amount of usable energy? Primary consumers located 150 meters below sea level. Primary producers located 80 meters below sea level. Primary producers located 45 meters below sea level. Primary consumers located 40 meters below sea level.arrow_forward
- What is another term used to describe: The second trophic level A herbivore A primary consumer A plant and animal eater The first trophic levelarrow_forwardCompare and contrast trophic levels, food chains, and food webs. How are these concepts related, and how do they differ?arrow_forwardWhich of the following is true of trophic relationships in an ecosystem? All energy in the food chain is ultimately transferred to top level carnivores Most of the useable energy transferred between trophic levels is maintained--very little is lost The trophic pyramid predicts that top level carnivores should have the least amount of biomass in an ecosystem Net productivity is typically a measure of over-all photosynthesis in an ecosystemarrow_forward
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